<!DOCTYPE html>
<html>
    <head>
        <title>圣杯布局</title>
        <meta charset="utf-8">
        <link rel="stylesheet" type="text/css" href="圣杯布局.css">
    </head>
    <body>
        <!--头部 -->
        <div class="header">
            <h4>header</h4>
        </div>
        <!--主体 -->
        <div class="container">
            <div class="middle">
                <h4>middle</h4>
            </div>
            <div class="left">
                <h4>left</h4>
            </div>
            <div class="right">
                <h4>right</h4>
            </div>
        </div>
        <!-- 底部-->
        <div class="footer">
            <h4>footer</h4>
        </div>
    </body>
</html>